Antonio de Melo's competitive career stands as a testament to his technical excellence and his enduring commitment to testing himself on the mat across multiple decades. His elite-level ability was already evident before reaching black belt — in 1992, he claimed victory at the River-Rio Cup competing in the brown belt division. The following year, in 1993 — the same year he received his black belt — he captured the Judo Cup title and cemented his standing among Brazil's top competitors by finishing ranked number 2 in the LINJJI (Liga Nacional de Jiu-Jitsu) rankings, one of the most prestigious competitive circuits in the country at that time.
Rather than stepping back after establishing his credentials in the early 1990s, de Melo continued pursuing excellence at the highest levels available to him. In 1998, he placed second at the Amazon State Championships, demonstrating sustained competitive engagement well into his career. His longevity on the circuit became even more apparent in the following decade: a bronze medal at the IBJJF Masters & Seniors in 2005, followed by a silver medal at the same prestigious international event in 2010 — competing at a high level well into his late forties. This arc, spanning from the early 1990s through the 2010s, illustrates a rare combination of longevity, discipline, and enduring passion for competition.